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Candida colonization

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https://www.readbyqxmd.com/read/28448623/development-of-the-cutaneous-microbiome-in-the-preterm-infant-a-prospective-longitudinal-study
#1
Mohan Pammi, Jacqueline L O'Brien, Nadim J Ajami, Matthew C Wong, James Versalovic, Joseph F Petrosino
BACKGROUND: Neonatal sepsis in preterm infants is often due to organisms that colonize the skin including Staphylococcus spp. and Candida spp. Development and maturation of the skin microbiome in the neonatal period, especially in preterm infants, may be critical in preventing colonization with pathogens and subsequent progression to neonatal sepsis. Development of the skin microbiome in preterm infants or its determinants in the first 4 weeks of life has not been evaluated. METHODS: We evaluated the skin microbiome from three body sites, antecubital fossa, forehead and gluteal region, in a prospective cohort of 15 preterm (birth weight < 1500 g and < 32 weeks of gestation) and 15 term neonates...
2017: PloS One
https://www.readbyqxmd.com/read/28434823/influence-of-serum-and-polystyrene-plate-type-on-stability-of-candida-albicans-biofilms
#2
Purity N Kipanga, Walter Luyten
Adhesion is a crucial initial step in microbial biofilm formation. Firm attachment to a target surface subsequently ensures successful colonization and survival despite turbulent conditions. In the laboratory, polystyrene plates are commonly used in biofilm experiments and the 'washing/rinse steps' before staining are critical for assaying biofilm viability. However, these rinse steps risk the removal (partially or entirely) of the formed biofilm, resulting in inconsistent results. The aim of the present study was to optimize conditions for firmer biofilms, less prone to disruption and thus significantly reducing well-to-well variability...
April 20, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28429365/a-randomized-clinical-trial-about-presence-of-pathogenic-microflora-and-risk-of-peri-implantitis-comparison-of-two-different-types-of-implant-abutment-connections
#3
F Mencio, F De Angelis, P Papi, D Rosella, G Pompa, S Di Carlo
OBJECTIVE: The aim of this in vivo study was to evaluate two different types of implant-abutment connections: screwed connection and cemented connection, analyzing peri-implant bacteria microflora as well as other clinical parameters. PATIENTS AND METHODS: Twenty implants were selected, inserted in 20 patients, 10 with a screwed implant-abutment connection (Group 1) and 10 with a cemented implant-abutment connection (Group 2). The peri-implant microflora was collected, after at least 360 days from the prosthetic rehabilitation, using paper points inserted in peri-implant sulcus for 30 s...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28421452/susceptibility-of-candida-albicans-from-cystic-fibrosis-patients
#4
Raquel Sabino, Elisabete Carolino, Richard B Moss, Niaz Banaei, Cristina Verissimo, David A Stevens
Candida albicans is a common microbe, colonizer and potential pathogen found in respiratory cultures of cystic fibrosis (CF) patients. Because of possible development of resistance in patient isolates resulting from residence in the abnormal milieu of CF patient airways, or from exposure to antifungals, and considering the possibility of patient-to-patient spread of microbes and reports of elevated resistance to other fungal pathogens, it was important to assay the susceptibility of isolates of Candida and compare that profile to isolates from the community...
April 18, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28420276/the-influence-of-maternal-vaginal-flora-on-the-intestinal-colonization-in-newborns-and-3-month-old-infants
#5
Iwona Gabriel, Anita Olejek, Krystyna Stencel-Gabriel, Miroslaw Wielgoś
The role of maternal vaginal bacteria on the colonization of neonatal gut is still matter of discussion. Our aim was estimate the role of maternal vaginal flora on the development of intestinal flora in neonates and 3- months-old infants. 79 maternal-neonatal pairs were included in the study. Vaginal swabs were taken before the rupture of membranes after admission to the delivery ward. First neonatal stool (meconium) and stool at 3-months-old infants were collected and cultured. All samples were subject to a microbiological analysis for Streptococcus, Staphylococcus, Bifidobacterium, Clostridium (including Cl...
April 18, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28419681/oral-mycobiome-in-community-dwelling-elderly-and-its-relation-to-oral-and-general-health-conditions
#6
Myrna Nurlatifah Zakaria, Michiko Furuta, Toru Takeshita, Yukie Shibata, Rini Sundari, Nobuoki Eshima, Toshiharu Ninomiya, Yoshihisa Yamashita
OBJECTIVE: Oral fungal infection is generally associated with dysbiosis related to antibiotic use, immunodeficiency, or frailty. However, fungal colonization in a typical population without apparent symptoms, and its associated conditions are poorly understood. In this study, oral fungal colonization in community-dwelling and independently living elderly populations was evaluated and factors affecting fungal colonization were analyzed. SUBJECTS AND METHODS: The subjects (410; 181 males and 229 females) were 75-99 years of age; those under prior antibiotic use were excluded...
April 18, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28410367/nitric-oxide-charged-catheters-as-a-potential-strategy-for-prevention-of-hospital-acquired-infections
#7
David Margel, Mark Mizrahi, Gili Regev-Shoshani, Mary Ko, Maya Moshe, Rachel Ozalvo, Liat Shavit-Grievink, Jack Baniel, Daniel Kedar, Ofer Yossepowitch, David Lifshitz, Andrei Nadu, David Greenberg, Yossef Av-Gay
BACKGROUND: Catheter-Associated Hospital-Acquired Infections (HAI's) are caused by biofilm-forming bacteria. Using a novel approach, we generated anti-infective barrier on catheters by charging them with Nitric Oxide (NO), a naturally-produced gas molecule. NO is slowly released from the catheter upon contact with physiological fluids, and prevents bacterial colonization and biofilm formation onto catheter surfaces. AIMS AND METHODS: The aim of the study was to assess the anti-infective properties of NO-charged catheters exposed to low concentration (up to 103 CFU/ml) of microbial cells in-vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28396001/creating-durable-and-esthetic-gingival-anatomy-on-a-polyoxymethylene-overdenture-by-using-a-chairside-procedure
#8
Gary R Login
BACKGROUND AND OVERVIEW: Snap-On Smile (DenMat) appliances are tooth-borne overdentures used for a variety of temporary esthetic applications. However, their benefit can be limited in patients with high smile lines and altered gingival architecture because the teeth look too large. CASE DESCRIPTION: In this report, the author shows the chairside application of a silicone denture reline material used to recreate gingival anatomy on an overdenture fabricated from crystallized acetyl resin, the material used in a Snap-On Smile appliance...
April 7, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28388469/higher-prevalence-of-colonization-with-gardnerella-vaginalis-and-gram-negative-anaerobes-in-patients-with-recurrent-miscarriage-and-elevated-peripheral-natural-killer-cells
#9
R J Kuon, R Togawa, K Vomstein, M Weber, T Goeggl, T Strowitzki, U R Markert, S Zimmermann, V Daniel, A H Dalpke, B Toth
The role of vaginal infections in recurrent miscarriage (RM) is discussed controversially and screening is not recommended in international guidelines. Peripheral and uterine NK cells (pNK, uNK) play an important role in the establishment of a healthy pregnancy and are targets of immune diagnostics in RM patients. The aim of this study was to analyze the composition of the vaginal microbiota in RM patients and to correlate the findings to clinical characteristics as well as NK cell parameters. In total, n=243 RM patients with ≥3 consecutive miscarriages were recruited between 11/2011 and 03/2016...
March 30, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28385421/prevalence-of-candida-albicans-candida-dubliniensis-and-candida-africana-in-pregnant-women-suffering-from-vulvovaginal-candidiasis-in-argentina
#10
María Josefina Mucci, María Luján Cuestas, María Fernanda Landanburu, María Teresa Mujica
BACKGROUND: Vulvovaginal candidiasis (VVC) is a vulvovaginitis commonly diagnosed in gynecology care. In recent years, the taxonomy of the most important pathogenic Candida species, such as Candida albicans have undergone significant changes. AIMS: This study examined the prevalence of C. albicans, Candida africana, and Candida dubliniensis in vaginal specimens from 210 pregnant women suffering from vulvovaginitis or having asymptomatic colonization. METHODS: Phenotypic and molecular methods were used for the identification of the species...
April 3, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28378240/candida-albicans-germ-tube-antibody-evaluation-of-a-new-automatic-assay-for-diagnosing-invasive-candidiasis-in-icu-patients
#11
Manuel Parra-Sánchez, Ismail Zakariya-Yousef Breval, Carmen Castro Méndez, Silvia García-Rey, Ana Loza Vazquez, Alejandro Úbeda Iglesias, Desiree Macías Guerrero, Ana Romero Mejías, Cristobal León Gil, Estrella Martín-Mazuelos
Testing for Candida albicans germ-tube antibody IFA IgG assay (CAGTA) is used to detect invasive candidiasis infection. However, most suitable assays lack automation and rapid single-sample testing. The CAGTA assay was adapted in an automatic monotest system (invasive candidiasis [CAGTA] VirClia(®) IgG monotest (VirClia(®)), a chemiluminescence assay with ready-to-use reagents that provides a rapid objective result. CAGTA assay was compared with the monotest automatic VirClia(®) assay in order to establish the diagnostic reliability, accuracy, and usefulness of this method...
April 4, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28368492/dermal-fibroblasts-play-a-central-role-in-skin-model-protection-against-c-albicans-invasion
#12
Andreas Kühbacher, Helena Henkel, Philip Stevens, Christian Grumaz, Doris Finkelmeier, Anke Burger-Kentischer, Kai Sohn, Steffen Rupp
The fungal pathogen Candida albicans colonizes basically all human epithelial surfaces including the skin. Under certain conditions, such as immunosuppression, invasion of the epithelia occurs. Not much is known about defense mechanisms against C. albicans in subepithelial layers such as the dermis. Using immune cell-supplemented 3D skin models we could define a new role for fibroblasts in the dermis and identify a minimal set of cell types for skin protection against C. albicans invasion. Dual RNA-Seq of individual host cell populations and C...
March 29, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28367302/the-frequency-of-staphylococcus-aureus-isolated-from-endocervix-of-infertile-women-in-northwest-iran
#13
Mohammad Taghi Akhi, Aylin Esmailkhani, Javid Sadeghi, Behrooz Niknafs, Laya Farzadi, Aydin Akhi, Elmira Najafi Nasab
BACKGROUND: Infertility is one of the major social issues. Due to the asymptomatic cervical infection associated with Staphylococcus aureus (S. aureus), the majority of patients remain undiagnosed. The present study intended to assess the frequency of S. aureus isolated from infertile women's endocervix in northwest Iran. MATERIALS AND METHODS: In a descriptive cross sectional study, specimens were randomly collected during vagina examination using a sterile speculum and swabbing...
April 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28361459/distribution-and-antifungal-susceptibility-of-yeasts-isolates-from-intensive-care-unit-patients
#14
Vladimír Hrabovský, Victoria Takáčová, Eva Schréterová, Lydia Pastvová, Zuzana Hrabovská, Katarina Čurová, Leonard Siegfried
Yeasts frequently colonize non-sterile sites in the body. The aim of the study was to determine distribution in clinical samples and antifungal susceptibility to five antifungals. From January 2013 through June 2015, 800 isolates were obtained from intensive care unit patients. Candida albicans (58.9%), Candida glabrata (20.4%), Candida krusei (8.6%), and Candida parapsilosis (3.6%) were the leading species. Majority of the C. albicans isolates were susceptible to the fluconazole. Elevated voriconazole minimal inhibitory concentrations (MICs) were observed in isolates exhibiting high fluconazole MICs, most frequently in C...
March 30, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/28346730/cheese-supplemented-with-probiotics-reduced-the-candida-levels-in-denture-wearers-rct
#15
Tatiana Yuriko Miyazima, Karin Hitomi Ishikawa, Marcia Pinto Alves Mayer, Susana Marta Isay Saad, Atlas Edson Moleros Nakamae
OBJETIVES: The access to probiotics should be facilitated in order to encourage their usage. We evaluated the effect of consumption of two experimental probiotic-containing cheese on the oral colonization of Candida in denture wearers. METHODS: Sixty denture wearers harboring oral Candida were randomly allocated in groups who received cheese supplemented with Lactobacillus acidophilus NCFM (T1) or Lactobacillus rhamnosus Lr-32 (T2), daily for 8 weeks, and a control group (C) who received a control cheese...
March 27, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28344193/polyphasic-insights-into-the-microbiomes-of-the-takamatsuzuka-tumulus-and-kitora-tumulus
#16
Junta Sugiyama, Tomohiko Kiyuna, Miyuki Nishijima, Kwang-Deuk An, Yuka Nagatsuka, Nozomi Tazato, Yutaka Handa, Junko Hata-Tomita, Yoshinori Sato, Rika Kigawa, Chie Sano
Microbial outbreaks and related biodeterioration problems have affected the 1300-year-old multicolor (polychrome) mural paintings of the special historic sites Takamatsuzuka Tumulus (TT) and Kitora Tumulus (KT). Those of TT are designated as a national treasure. The microbiomes of these tumuli, both located in Asuka village, Nara, Japan, are critically reviewed as the central subject of this report. Using culture-dependent methods (conventional isolation and cultivation), we conducted polyphasic studies of the these microbial communities and identified the major microbial colonizers (Fusarium spp...
March 24, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/28334654/synthesis-and-biological-evaluation-of-a-new-series-of-benzimidazole-derivatives-as-antimicrobial-antiquorum-sensing-and-antitumor-agents
#17
N S El-Gohary, M I Shaaban
New benzimidazole derivatives were synthesized and assessed for antimicrobial efficacy toward Escherichia coli, Bacillus cereus, Staphylococcus aureus, Candida albicans and Aspergillus fumigatus 293. Results indicated that compounds 3c and 3n have promising activity toward S. aureus, whereas 3i exhibited remarkable efficacy toward B. cereus. Moreover, compound 3c was proved to be the most active antifungal analog toward C. albicans. On the other hand, 3n displayed the highest activity against A. fumigatus 293...
March 14, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28327264/association-of-candida-species-isolated-from-the-dental-plaque-of-hiv-infected-children-and-prevalence-of-early-carious-lesions
#18
Cristiana Aroeira Rosa Oliveira, Senda Charone, Rosangela Maria de Araújo Soares, Maristela Barbosa Portela, Gloria Fernanda Barbosa de Aráujo Castro
PURPOSE: The purposes of this study were to: (1) quantify and identify Candida species (spp.) in the dental plaque of children infected with the human immunodeficiency virus (HIV) and compare with noninfected children; and (2) determine the association of Candida spp. with the presence of caries. METHODS: Seventy HIV-infected and 55 non-HIV-infected three- to 12-year-old children were examined to determine caries prevalence. After a visual inspection, supragingival plaque was collected from the cervical region using standard dental curettes...
September 15, 2016: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/28320713/antimicrobial-percutaneous-nephrostomy-catheters-for-the-prevention-of-renal-infections-in-vitro-studies
#19
Nylev Vargas-Cruz, Ruth A Reitzel, Joel Rosenblatt, Mohamed Jamal, Ariel D Szvalb, Anne-Marie Chaftari, Ray Hachem, Issam Raad
Purpose - Percutaneous nephrostomy (PCN) catheters are the primary method for draining ureters obstructed by malignancy and preventing a decline of the renal function. However, PCN-related infections such as pyelonephritis and urosepsis remain a significant concern. Currently no antimicrobial PCNs are available for preventing infectious complications. Vascular catheters impregnated with Minocycline/Rifampin (M/R) and M/R with Chlorhexidine coating (M/R+CHD) have previously demonstrated antimicrobial activity...
March 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28293217/mechanistic-insights-underlying-tolerance-to-acetic-acid-stress-in-vaginal-candida-glabrata-clinical-isolates
#20
Diana V Cunha, Sara B Salazar, Maria M Lopes, Nuno P Mira
During colonization of the vaginal tract Candida glabrata cells are challenged with the presence of acetic acid at a low pH, specially when dysbiosis occurs. To avoid exclusion from this niche C. glabrata cells are expected to evolve efficient adaptive responses to cope with this stress; however, these responses remain largely uncharacterized, especially in vaginal strains. In this work a cohort of 18 vaginal strains and 2 laboratory strains (CBS138 and KUE100) were phenotyped for their tolerance against inhibitory concentrations of acetic acid at pH 4...
2017: Frontiers in Microbiology
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